CW612N — CuZn39Pb2 alloy

Equivalent

Technical characteristics

CW612N is alloy of leaded brass which is known for its wearing resistance and durable operational use. It is used in the capacity of high-quality antifriction material. CuZn39Pb2 composition includes copper, zinc, aluminium, iron, nickel, lead, tin. It can be easily welded in hot and cold state. Sheet made of this material is known as etching brass. Alloy can be exposed to machining but cannot work in contact with acid. Density is 8,4 g/cm3.

Percentage composition according to EN12165

Agent

Cu

Al

As

Fe

Mn

Ni

Pb

Sn

Residual elements

Zn

Min:

59.0

-

-

-

-

-

1.6

-

-

Residual portion:

Max:

60.0

0.05

-

0.3

-

0.3

2.5

0.3

0.2

Mechanical characteristics:

Melting point is 895 °C;

Specific heat is 380 J/kg ° К;

Heat conductivity — (RT) is 117 V / m ° К;

Coefficient of thermal expansion is (20−200°C) -20x106;

Electric conductivity is 27% IACS.

Material can be easily brazed. But oxyacetylene welding is not recommended to use.

Supplier

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